Question

import random
import time
name=input("Wecome to the game what is your name")
print(("This is a numbers game"),(name),("you will be playing against the computer."))
print("The idea of the game is to get closer to 21 to the computer without going over 21"),
ready="N"
ready=input("Are you ready to play the game yet?").lower
if ready=="yes" or ready=="y":
    score=0
    while (score)<21 and (ready == "Y" or ready == "Yes" or ready =="YES" or ready == "yes" or ready =="y"):
        player1=random.randint(1,21)
        score=(score+player1)
        time.sleep(3)
        print(("you have scored"),(score))
        if score <21:
            ready=input("Do you want to add more to your score?")
if score>21: *THE PROBLEMS ON THIS LINE HERE*
    print("Sorry Over 21 , The Computer Wins!")
else:
    print("ok Well done let us see what the computer can do with their turn")
    computerscore=0
    while(computerscore)<21 and (computerscore)<(score):
        computer=random.randint(1,21)
        computerscore=(computerscore+computer)
        time.sleep(3)
        print(("The computer has scored"),(computerscore))
        if (computerscore)<=21 and (computerscore)>(score):
            print("Sorry the computer wins")
        else:
            print("You win well done")
        break

我收到的错误是，如果得分> 21： NameError：未定义名称“得分”

但是我把得分= 0所以这不是定义它吗？

Answer 1

我猜您正在正确输入值yes，问题可能是因为该行 -

ready=input("Are you ready to play the game yet?").lower

您要在lower中为ready功能分配引用，而应拨打lower()并在ready中指定返回值。示例 -

ready=input("Are you ready to play the game yet?").lower()

此外，如果您希望代码正常工作，当您未将ready作为yes输入时，则应在score=0条件之前设置if - {{ 1}}

Answer 2

变量score在if块内声明。

假设ready与"yes"和"y"不同，则永远不会到达score=0行。

所以if score>21:会引发错误。

在进入第一个score = 0条件之前，您必须设置默认值if。

此外，你写了一个错字：

ready=input("Are you ready to play the game yet?").lower

您应该使用.lower()调用该函数。

Answer 3

您需要打算23.2行以及后面的所有内容，以便部分代码包含在上面的if覆盖范围内。

if score>21:

Answer 4

另一方面，这个脚本可能存在缺陷，因为有很多人可能会输入不同的东西。您可能希望包含在以下行中：

ready=input("Are you ready to play the game yet? Type 'Y' for Yes").lower()

更多关于你希望玩家明确投入的内容的文字。

但是，如上所述，主要观点是lower()，这会导致错误。

Python说的是变量没有被赋值

4 个答案: